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  • Voluntary Consent to share Non-Affiliated Customer Information

  • Discretionary Actions and Tariff

  • Discounts

  • Chief Compliance Officer
  • Notice of FERC approved Tariff Waivers

  • Performance Metrics
    SIS Metrics
    Transmission Service Request Metrics
    OASIS Metrics Query Instructions
  • TSR Metrics link

  • Redispatch Cost
  • Congestion Relief Offers

  • Business Practices, Waivers and Exemptions
    MATL_Transmission_Service_Business_Practices_-_version_3.5
    MATL Transmission Service Business Practices v3_4
    MATL Transmission Service Business Practices 3.2
    MATL Transmission Service Business Practices v3_3
    MATL Transmission Service Business Practices_v3-1
    MATL Montana Line Loss Procedures
    MATL 814 - Line Loss In Alberta
    MATL 816 - Scheduling Guide for E-tags
    MATL 817 - PCM Attributes
  • Notice of Waivers

  • ATC Information
    ATCID
    CBM Procedure
    Transfer Capability
    TRMID
    Load Forecast Methodology
    Postback Methodology
    Attachment C (ATC Calculation)
    Attachment C - ATC Algorithm
  • ATC Methodology Contact

  • ATC Change Narrative

  • Actual and Forecast Postings

  • Tariff
    MATL OATT
    Order 1000 Filings
    ER18-62 NTTG Att K Filing
    ER16-1729 Table of Contents Tariff Filing
    ER16-2710 MATL NTTG Att K Filing
    ER16-778 NTTG Transition Filing
    ER16-778-001 NTTG Transition Filing
    ER16-778-002 NTTG Transition Filing
    ER16-970 NTTG Exh E Informational Filing
    ER13-836-005 Order 1000 Regional Compliance Filing
    ER13-836-004 Order 1000 Regional Compliance Filing
    ER13-836-003 Order 1000 Regional Compliance Filing
    ER13-836-002 MATL Order 1000 Regional Compliance Filing
    ER13-836-000 Order 1000 Regional Compliance Filing
    ER14-346-003 - O1K Interregional 2-18-15
    ER14-346-000 Filing - Order 1000 Interregional
    MATL Filings
    ER15-1428 - Operational Penalties
    ER15-1920-000 Attachment L
    ER15-478-000 NAESB Order 676-H Compliance Filing
    ER14-2522 Filing - Order 792 Compliance
    ER14-2533 Filing - Order 792 Tariff Revisions
    ER13-1370-000 OATT Revisions
    ER13-1370-001 OATT Revisions
    ER14-376 Filing - Order 764 Compliance
    ER14-376-001 Order 764 Errata Compliance Filing
    MATL ER17_1029_Filing
    MAT_TOC_Revisions_ER17_1396
    MATL_CGrid_Cancellation_ER17_1397
    MATL ER17_1397 Withdrawal
    MATL ER17_1434_CGrid Cancellation ReFiling
    MATL_ER17_1436_Concurrence Avista
    MATL ER17-1725 Creditworthiness Update
    MATL Order 842 Compliance Filing
    MATL Auction Module
    ER14-1246 Schedule 7 Filing
    MATL Auction Report Aug 2015
    MATL Auction Report Aug 2016
    MATL Auction Report Feb 2017
    MATL Auction Webinar Feb 13, 2014
    MATL Auction Webinar 2 Apr 16, 2015
    MATL Feb 2016 Auction Report Transmittal
    Frequently Asked Questions
    MATL frequently Asked Questions
    Contact Information
    MATL Media Contact Information
    TranServ Contact Information
    Northern Tier Transmission Group
    Confidentiality Provisions
    Confidential Data Procedures Final 10 10 2017
    NTTF Confidentiality Agreement
    NTTG 2016
    2017 NTTG Q5 DRTP Updated Data Submission
    2017 NTTG Economic Study Request Announcement_FINAL
    2016-2017 NTTG Draft Regional Transmission Plan Stakeholder
    02 23 17 Western Planning Regions Coordination Meeting
    NTTG_Q4_Stakeholder_Meeting_Presentation_Dec_13_2016_Draft_FINAL_ver.2
    11 09 16 NTTG Planning Committee Agenda
    12 13 16 NTTG Q4 Stakeholder Meeting Agenda_Draft
    10 12 16 NTTG Planning Committee Agenda
    2016 NTTG Stakeholder Input on Change Case Selection Letter
    NTTG 2017
    2016-17 NTTG Biennial Study Plan_Q6 Revision_APPROVED_08 02 2017
    Aug 28 2017 NTTG Steering Committee Agenda
    NTTG 2016_2017_RTP_Summary_Report_Final_12 28 2017
    NTTG 2016-2017 Revised Draft FinalRegional Transmission Plan Stakeholder
    Aug 2 2017_NTTG Steering Committee Agenda_Final ver 4
    08 09 17_NTTG Plng Committee Agenda
    06 14 17_NTTG Plng Committee Agenda_Final
    06 29 17_NTTG Q6 Stakeholder Meeting Agenda_Final
    2016-2017 NTTG Draft FinalRegional Transmission Plan Report Stakeholder
    06 07 17 NTTG CAC Agenda Final
    06 29 17_NTTG Q6 Stakeholder Meeting Agenda_Draft ver2
    05 10 17_NTTG Plng Comittee Agenda Ver 2
    03 08 17_NTTG Plng Committee Agenda_Final
    04 12 17_NTTG Plng Committee Agenda FINAL
    02 08 17_NTTG Plng Committee Agenda_FINAL
    02 23 17 Western Planning Regions Coordination Updated Notice_02.07.17
    Feb_23_2017_Agenda
    Notice of Date Change for NTTG April 2017 Quarterly Stakeholder Meeting
    NTTG Stakeholder Meeting Notice_June 29 2017
    09 19 17_NTTG Q7 Stakeholder Meeting Agenda Final
    10 12 17_NTTG CAC Agenda_Final
    12 07 17_NTTG Q8 Stakeholder Meeting Agenda
    12 07 17_NTTG Q8 Stakeholder Meeting Agenda_Final
    NTTG 2018
    05 09 18_NTTG Plng Committee Agenda
    06 13 18_NTTG PLG ComAgenda_FINAL
    06 21 18_NTTG Q2 Stakeholder Meeting Agenda_FINAL
    06 27 18_NTTG PLG ComAgenda_FINAL
    2018-2019 NTTG Draft PPC Study Plan Stakeholder Letter_Final
    July 10 2018_NTTG Steering Committee Agenda Draft_v1.3
    NTTG Q1 Stakeholder Mtg Agenda_04.26.18_FINAL
    NTTG Stakeholder Meeting Notice_Sept 27 2018
    04 11 18_NTTG Joint Plng + CAC Committee Agenda Draft
    04 11 18_NTTG Joint Plng + CAC Committee Agenda Draft_v.2
    2018_2019 NTTG Project SponsorPre-Qualification Determination
    Annual WPR Coordination Mtg
    NTTG Q1 Stakeholder Mtg Agenda_04.26.18
    NTTG Stakeholder Meeting Notice_Apr 26 2018
    PGE_FERC Acceptance Letter of Oct 12 2017 Attach K Revisions 120817
    NTTG Funding Agreement 2018-2019 (rev final + Exhibit F) (10.11.2017)
    2016-17 NTTG Regional Transmission Plan Distribution Letter_FINAL
    2018 NTTG Q1 RTP Data Submission Window Notice_FINAL
    2018-2019 Regional Planning Cycle and Public Meeting Schedule
    OASIS Notices
  • Discretion

  • Personnel

  • Standards of Conduct

  • Waiver

  • Congestion Relief Offers

  • MATL Notice -Commencement of Short Term Transmission Service
    Commercial Operations Notice
    Updated Commercial Operations Notice
    Outages
    MATL Outage
    Customer Registration and Application Forms
    Form No. MATL - 806 MATL OATT New Customer Registration Form
    Transmission Service Agreements
    Long-Term TSR Purchase and Service Agreement - Attachment A
    Short-Term TSR Purchase and Service Agreement - Attachment B-1
    Non-Firm PTP Transmission Service Agreement-Attachment B-2
    Resale-Reassignment or Transfer of PTP Transmission Service Agreement-Attachment A-1
    Declaration forms
    Form No. MATL-807 Declaration by Transmission Customer (Shipper for Export from Canada)
    Form No. MATL-808 Declaration by Exporter (Exporting from USA)
    Form No. MATL-809 Declaration by Importer (Canada)
    Form No. MATL-813 Declaration of Exemption From Montana WET Tax
    Creditworthiness
    Creditworthiness Standards, eff 7/31/17
    Letter of Credit Template
    Transmission Rates
    2018 Schedule 10 Rates – Effective April 1, 2018
    2017 Schedule 10 Rates-Effective April 1, 2017
    2016 Schedule 10 Rates-Effective April 1, 2016
    2015 Schedule 10 Rates-Effective April 1, 2015
    2014 Schedule 10 Rates-Effective April 1 2014
    Economic Planning Studies
    Economic Project Proposal Information
    Generator Interconnection Information
    MATL GI Queue
    MATL 303 - Interconnection Requirements
    List of Available Studies
    LGIP Information
    Large Generator Interconnection Information
    SGIP Information
    Small Generator Interconnection Information
    Transmission Planning
    Links Document
    CEII Information
    MATL CEII Information
    MATL CEII Procedures
    MATL CEII Request Form
    MATL CEII Non-Disclosure Agreement
    Data Modeling Requirements and Reporting
    MATL 904- Data Modeling Requirements and Reporting
    System Operating Limits Methodology
    SOL Methodology
    Planning Calendar
    MATL_1_31_18_Planning_Advisory_Mtg_Agenda&Notes
    Planning Calendar
    Auction Postings
    MATL Auction Results 2015
    MATL June/July 2015 Auction Results
    MATL Aug 2015 Auction Results
    MATL Sept 2015 Auction Results
    MATL Oct 2015 Auction Results
    MATL Nov 2015 Auction Results
    MATL Dec 2015 Auction Results
    MATL Auction Results 2016
    MATL Dec 2016 Auction Results
    MATL Nov 2016 Auction Results
    MATL April 2016 Auction Results
    MATL Aug 2016 Auction Results
    MATL Jan 2016 Auction Results
    MATL May 2016 Auction Results
    MATL Oct 2016 Auction Results
    MATL Sept 2016 Auction Results
    MATL Feb 2016 Auction Results
    MATL Mar 2016 Auction Results
    MATL Jun 2016 Auction Results
    MATL July 2016 Auction Results
    MATL Auction Results 2017
    MATL Jan 2017 Auction Results
    MATL Feb 2017 Auction Report
    MATL March 2017 Auction Report
    MATL Apr 2017 Auction Report
    MATL_May_2017_Auction_Report
    MATL June 2017 Auction Report
    MATL July 2017 Auction Report
    MATL Aug 2017 Auction Report
    MATL Sept 2017 Auction Report
    MATL Oct 2017 Auction Report
    MATL Nov 2017 Auction Report
    MATL Dec 2017 Auction Report
    Miscellaneous
  • MATL Homepage




  • MATL Outage Update

    MATL is back in service as of 18:55MT.

    Posted Date and Time: 08/11/2018 19:22 MT


    MATL Outage Update

    MATL experienced a forced outage from the 1201L line issue at approximately 13:10MT. The line is in radial connection as of 13:20MT. Please check back for further updates.

    Posted Date and Time: 08/11/2018 13:54 MT


    MATL Outage Update

    MATL is back to normal operation effective immediately – as of 14:32 MT.

    Posted Date and Time: 08/09/2018 15:25MT


    MATL Outage Update

    MATL is completing the tests today and is expected to energize in the evening some time. A relay trip caused the line to trip while it was in radial connection at 11:32MT. The radial connection was restored at 12:10MT. Please check back for further updates later in the day.

    Posted Date and Time: 08/09/2018 12:26MT


    MATL Outage Update

    MATL continues to investigate the forced outage. The tentative time to have the line energized back into Alberta is August 9th at 6:00pm MT but this may change based on the result of the on-going investigation..

    Posted Date and Time: 08/02/2018 15:30MT


    MATL Outage Update

    MATL is in radial connected to the NWMT system due to a forced outage as of 15:14 MT. Please check back again for updates.

    Posted Date and Time: 07/30/2018 16:05MT


    MATL Outage

    MATL Path 83 is out of service 11:10 on July 30th. The cause is unknown at this time. The estimated time to return to service is unknown. MATL is investigating the cause of the trip.

    Posted Date and Time: 07/30/2018 11:43 MT


    MATL Outage

    MATL experienced an unscheduled outage via a transfer trip that started at 10:33 and finished at 10:50am on July 27th as a result of an unscheduled trip of the 1201L line. The line was back in service as of 10:50am on July 27th.

    Posted Date and Time: 07/27/2018 13:11 MT


    MATLOutage Update

    MATL is back to normal operation effective immidiately.

    Posted Date and Time: 07/22/2018 13:36 MT


    MATL Planned Outage

    MATL will be in radially connected to the NWMT system from July 21 at 09:00 MT to July 22 at 17:00 MT to align with BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm and hourly firm products at $2.5/MW, $2/MW.

    Posted Date and Time: 07/18/2018 14:24 MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 07/06/2018 02:15 AM MT


    MATL Forced Outage

    MATL is in radial connected to the NWMT system due to a forced outage. Check back again for updates.

    Posted Date and Time: 07/04/2018 02:40 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 07/01/2018 18:11 PM MT


    MATL Forced Outage

    Due to a forced outage, MATL is radially connected to the NWMT system. Check back for more details.

    Posted Date and Time: 07/01/2018 16:50 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 06/27/2018 3:27 PM MT


    MATL Forced Outage Update

    MATL is expecting to be back to normal operation at approximately 14:00, on June 27, 2018, shortly after the BC-AB tie line is back in service. Check back for updates.

    Posted Date and Time: 06/27/2018 11:53 AM MT


    MATL Forced Outage Update

    MATL is expected to be back to normal operation after the BC-AB tie line is back in service on June 28 at 17:00MT.

    Posted Date and Time: 06/26/2018 17:05 PM MT


    MATL Forced Outage

    MATL is radially connected to the NWMT due to a forced event. Please check back for updates.

    Posted Date and Time: 06/25/2018 18:20 PM MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/24/2018 00:50 AM MT


    MATL Forced Outage

    MATL has been forced to be radially connected to the NWMT system. Check back for updates.

    Posted Date and Time: 06/24/2018 00:00 AM MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/22/2018 16:52 PM MT


    MATL Forced Outage

    MATL has been forced out of service due to an event on the BC-AB tie line. Check back for updates.

    Posted Date and Time: 06/22/2018 16:42 PM MT


    MATL Planned Outage

    MATL will be radially connected to the NWMT system from June 27 at 07:30 MT to June 28 at 17:00 MT, continuously, to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm and hourly firm products at $2.5/MW, $2/MW.

    Posted Date and Time: 06/22/2018 04:11 PM MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/22/2018 13:50 PM MT


    MATL Forced Outage

    MATL is in radial connection to the NWMT system. Investigation is in progress. Check back for more updates.

    Posted Date and Time: 06/22/2018 09:16 AM MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/16/2018 09:15 PM MT


    MATL Forced Outage

    MATL has recently experienced a forced outage. It is back in service but derated to 254 MW NB and 256 MW SB. Please check back for updates.

    Posted Date and Time: 06/16/2018 03:35 PM MT


    MATL Forced Outage Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 05/30/2018 03:45 AM MST


    MATL Forced Outage

    MATL was momentarily forced out of service due to an external event and it is in the process of being put back into normal operation.

    Posted Date and Time: 05/29/2018 04:00 PM MST


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 05/14/2018 05:44 PM MST


    MATL Forced Outage

    There has been a forced outage on the MATL asset. Investigation is in progress. MATL will be radially connected to the NWMT system until further notice. Check back again for more updates.

    Posted Date and Time: 05/09/2018 12:42 PM MT


    MATL Auction Module Pricing Update

    MATL has changed floor pricing for monthly and prompt quarter products in the Auction Module.

    Posted Date and Time: 04/12/2018 02:35 PM MT


    MATL Planned Outage Update

    MATL will be radially connected to the Montana system from Sept 17 at 08:00 to Sept 27 at 18:00 MT, continuously, to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm and hourly firm products at $2.5/MW, $2/MW.

    Posted Date and Time: 03/22/2018 06:15 AM MT


    MATL OASIS Notice

    MATL updated Business Practices originally posted February 16, 2018 are effective as posted

    Posted Date and Time: 03/08/2018 10:00 AM MT


    MATL Forced de-rate Update

    Due to urgent maintenance on a neighboring system, MATL will be de-rated to 248MW southbound and 30 MW northbound on March 2, 2018 from 09:00 to 13:00 MT. MATL will return to normal operations once the maintenance has been completed.

    Posted Date and Time: 03/02/2018 08:50 AM MT


    MATL Forced de-rate

    Due to urgent maintenance on a neighboring system, MATL will be de-rated to 248MW both southbound and northbound on March 2, 2018 from 09:00 to 13:00 MT. MATL will return to normal operations once the maintenance has been completed.

    Posted Date and Time: 03/01/2018 04:23 PM MT


    MATL Schedule 10 Rate

    MATL’s revised Schedule 10 rate, to be effective April 1, 2018, is now posted in the “Pending” folder of the Transmission Rates section.

    Posted Date and Time: 03/01/2018 02:36 PM MT


    MATL Business Practice Update

    Enbridge has updated the MATL Business Practices. A clean and a blackline version is available for viewing. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. Enbridge will accept comments until March 2, 2018 on the proposed changes.

    Posted Date and Time: 02/16/2018 11:46 AM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 02/12/2018 12.00 PM MT


    MATL Forced Outage

    Due to a forced event, MATL is radially connected to the NWMT system. Please check back for updates.

    Posted Date and Time: 02/12/2018 04:15 AM MT


    MATL Forced Outage

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 02/09/2018 02:50 PM MT


    MATL Forced Event

    Due to a forced event on a neighboring system, MATL will reduce its capacity to 254 MW northbound and 256 MW southbound. Check back for updates.

    Posted Date and Time: 02/09/2018 01:55 PM MT


    MATL Forced Event

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 01/11/2018 02:17 PM MT


    MATL Forced Event

    Due to a forced event on a neighboring system, MATL will reduce its capacity to 254 MW northbound and 256 MW southbound. Check back for updates.

    Posted Date and Time: 01/11/2018 01:45 PM MT


    MATL Forced Event

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 01/05/2018 12:35 PM MT


    MATL Forced Event

    MATL has been forced into radial connection to the NWMT system. Check back for updates.

    Posted Date and Time: 01/04/2018 07:25 PM MT


    MATL – Planning Advisory Group meeting

    Enbridge will be hosting a Planning Advisory Group meeting with stakeholders to walk through MATL’s Local Plan known as the MATL 2017 Annual Transmission Assessment on January 31 st, 2018 starting at 2 PM MT. All interested parties and stakeholders are invited to attend MATL's Planning Advisory Group meeting. 

    The meeting will be an opportunity for members to provide input regarding study development, study results, and review the draft transmission plan.  Further information can be found in MATL's Attachment K.

    Interested parties may attend the meeting in-person or via tele-conference (details below).  To ensure sufficient facilities and to receive regular updates regarding dates, agenda, and location, please RSVP to  michael.manarovici@enbridge.comand  travis.allen@enbridge.com. Please indicate if you plan to attend in-person or by phone. Additional information may be available and updated on MATL's OASIS website.

    Enbridge Inc.

    200, 425 - 1st Street S.W.

    Calgary, Alberta

    T2P 3L8

    Room: 27M1 - on the 27 thfloor

    Posted Date and Time: 12/19/2017 03:35 PM MT


    MATL Planned Outage

    MATL will be radially connected to the Montana system on Oct 1st to Oct 4th, 2018 from 11:00 to 18:00 MT, continuously, to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2.5/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 4th, 2018 at 18:00 MT.

    Posted Date and Time: 12/14/2017 10:08 AM MT


    MATL Planned Outage

    MATL will be radially connected to the Montana system on Sept 17th to 20th, 2018 from 08:00 to 18:00 MT, continuously, and in addition on Sept 24th to 27th, 2018 from 08:00 to 18:00 MT, continuously, to align with the BC-AB tie line outages. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2.5/MW, $2/MW and $48/MW respectively.

    Posted Date and Time: 12/13/2017 10:24 AM MT


    MATL Outage – Date Changed

    MATL will be in radial connection to the Montana system on January 16th, 2018 from 07:30 to 16:00 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2.5/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on January 16th, 2018 at 16:00.

    Posted Date and Time: 12/11/2017 1:42 PM MT


    MATL Outage

    MATL will be in radial connection to the Montana system on January 17th, 2018 from 07:30 to 16:00 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2.5/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on January 17th, 2018 at 16:00.

    Posted Date and Time: 12/07/2017 07:17 AM MT


    MATL Reduced Northbound Capacity

    Due to an outage within the Montana system, the MATL northbound capacity out of Montana will be reduced to 50 MW on December 1, 2017 from 8:00 to 18:00 MT. No impact to the southbound capacity.

    Posted Date and Time: 12/01/2017 9:04 AM MT


    MATL Forced Outage Update

    MATL is back to normal operation.

    Posted Date and Time: 11/23/2017 3:58 PM MT


    MATL Forced Outage

    MATL has been forced into radial connection to the NWMT system. Check back for updates.

    Posted Date and Time: 11/23/2017 1:48 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation.

    Posted Date and Time: 11/23/2017 10:30 AM MT


    MATL Forced Outage

    MATL was forced into radial connection to the NWMT system. Please check back for updates.

    Posted Date and Time: 11/23/2017 08:10 AM MT


    MATL Pricing Update

    The southbound hourly non-firm pricing changed from $2.0/MW to $2.5/MW. The northbound hourly non-firm pricing remains at $2/MW. These changes are effective immediately.

    Posted Date and Time: 11/15/2017 12:30 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 11/12/2017 01:25 PM MT


    MATL Forced Outage

    MALT has been forced into radial connection to the NWMT system. Please check back for updates.

    Posted Date and Time: 11/11/2017 09:21 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 11/04/2017 01:40 PM MT


    MATL Forced Outage

    MATL experienced a forced event over night and it is now radially connected to the NWMT system. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW for a hour, $2/MW for a hour and $48/MW for a day respectively. Check back for updates.

    Posted Date and Time: 10/30/2017 10:15 AM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective 10/26/2017 at 10:10 AM MT

    Posted Date and Time: 10/30/2017 09:32 AM MT


    MATL Forced Outage Update

    MATL has been forced out of service due to a forced outage within the WECC system. Check back for further updates.

    Posted Date and Time: 10/26/2017 at 09:58 AM MST


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 10/25/2017 at 10:16 PM MST


    MATL Forced Outage Update

    MATL has been forced out of service due to the loss of the BC-AB tie line. Check back for further updates.

    Posted Date and Time: 10/25/2017 at 03:50 PM MST



    MATL Radial Connection Update

    MATL will be radially connected to the NWMT system October 20th, 2017 from 11:00 to 15:30 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 20th, 2017 at 15:30.

    Posted Date and Time: 10/19/2017 at 12:17 PM MST


    MATL Radial Connection

    MATL will be radially connected to the NWMT system October 20th, 2017 from 11:30 to 15:30 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 20th, 2017 at 15:30.

    Posted Date and Time: 10/19/2017 at 07:19 AM MST


    MATL Forced Outage Update

    MATL is back to normal operations.

    Posted Date and Time: 10/17/2017 at 06:05 PM MST


    MATL Forced Outage

    MATL is out of service due to a forced outage on the BC-AB tie line. Please check back for updates.

    Posted Date and Time: 10/17/2017 at 05:38 PM MST


    MATL Forced Outage Update

    MATL is back to normal operations.

    Posted Date and Time: 10/16/2017 at 06:04 PM MST


    MATL Forced Outage

    MATL is presently out of service due to a forced outage within WECC. There is no estimate of when MATL will be back in service at this time. Check back for updates.

    Posted Date and Time: 10/16/2017 at 05:26 PM MST


    MATL OASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices revised Section 4.9.

    Posted Date and Time: 10/16/2017 at 02:30 PM MST


    MATL PRICING UPDATE

    MATL has recently changed floor pricing for all their products. Please explore confidential floor pricing in the Auction Module.

    Also, the hourly non-firm pricing has changed to $2.50/MW. These changes are effective immediately.

    Posted Date and Time: 10/16/2017 at 10:20 AM MST


    MATL forced event Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 10/07/2017 at 12:34 AM MST


    MATL forced event

    Due to a forced event, MATL's northbound rating is 254 and MATL's southbound rating is 256. See OASIS for more updates.

    Posted Date and Time: 10/06/2017 at 08:16 PM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 08/25/2017 at 05:27 PM MST


    MATL forced event

    MATL was recently put into radial connection due to a forced event. Check back for updates.

    Posted Date and Time: 08/24/2017 at 09:31 AM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 07/13/2017 at 10:53 PM MST


    MATL forced event - Update

    Due to a forced event, MATL will be radially connected to the NWMT system. Check again for further updates..

    Posted Date and Time: 07/13/2017 at 12:15 PM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 07/07/2017 at 1:20 PM MST


    MATL Forced event

    Due to a forced event, MATL will be radially connected to the NWMT system until further notice.

    Posted Date and Time: 07/06/2017 at 07:25 AM MST


    MATL OPP 904

    MATL has uploaded a new version of OPP 904 – Data for Power System Modeling and Analysis and Steady-State and Dynamic System Model Validation. The new version comes in to effect on June 30, 2017.

    Posted Date and Time: 06/23/2017 at 13:15 MST


    MATL Radial Connection

    MATL will be radially connected to the NWMT system from Sept 25th, 2017 at 08:00 to Oct 6th, 2017 at 19:00, continuously, to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 6th, 2017 at 19:00.

    Posted Date and Time: 06/14/2017 at 10:15 MST


    MATL Planned Outage – Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/13/2017 at 1:46 MST


    MATL Planned Outage – Update

    The MATL planned outage has been reduced to a one day outage, on June 12th, starting at 07:00 to 20:00, continuously. The entire MATL Interconnected System will be out of service during this timeframe. MATL is expected to return to normal operations on June 12th at 20:00. On June 13th, from 07:00 to 20:00, the MATL Interconnected System will have a reduced capacity of 254MW northbound and 256MW southbound. MATL is expected to return to normal operations on June 13th at 20:00.

    Posted Date and Time: 05/24/2017 at 9:43 MST


    MATL Planned Outage

    Path 83, from the MATL 120s to the Hay Lake substation, will be out of service starting on June 12th at 07:00 to June 16th at 18:00, continuously for annual maintenance. MATL will return to radial operation to the NWMT system during the evenings. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on June 16th at 18:00.

    Posted Date and Time: 04/21/2017 at 7:21 MST


    MATL Forced Outage Update

    MATL is resuming normal operations effective immediately.

    Posted Date and Time: 04/5/2017 at 13:55 MST


    MATL Forced Outage

    A recent forced outage on the MATL Interconnected System has resulted in a reduced capacity both northbound and southbound. MATL will be restricted to 254MW northbound and 256MW southbound until further notice. This issue is being investigated and it is expected to be resolved soon. Please check back for further updates.

    Posted Date and Time: 04/5/2017 at 9:40 MST


    MATL OPP 811 Update

    MATL has updated OPP 811 – MATL Path 83 Transfer Capability with Seasonal SOL Effects version 2.4 and posted the document on the MATL OASIS website. The new version comes into effect March 31, 2017.

    Posted Date and Time: 03/27/2017 at 08:40 MST


    MATL Series Capacitors Update

    MATL's series capacitors are back in service. MATL is resuming normal operations.

    Posted Date and Time: 03/13/2017 at 07: 50 PM MST


    MATL Series Capacitors Update

    Testing at Rim Rock is ongoing. The MATL series capacitors will remain out of service until NaturEner completes their testing. Check back for further updates.

    Posted Date and Time: 03/13/2017 at 07: 04 PM MST


    MATL Series Capacitors Update

    There are some delays with the testing at Rim Rock. The series capacitors will be out of service until 17:00MST. Check back for further updates.

    Posted Date and Time: 03/13/2017 at 03: 20 PM MST


    MATL Series Capacitors

    MATL’s series capacitors will be out of service from 12:00 to 15:00 MST to facilitate testing being performed at the Rim Rock facility. During this time period, MATL’s capacity will be limited to 254MW northbound and 256MW southbound. MATL will resume normal operations once the series capacitors are back in service.

    Posted Date and Time: 03/13/2017 at 11:25 AM MST


    MATL OPP 805 Update

    MATL has updated OPP 805 – CBM Procedure to version 1.1 and posted the document on the MATL OASIS website. The new version comes into effect March 31, 2017.

    Posted Date and Time: 03/09/2017 at 02:52 PM MST


    MATL Schedule 10 Rate

    MATL’s revised Schedule 10 rate, to be effective April 1, 2017, is now posted in the Transmission Rates section.

    Posted Date and Time: 03/01/2017 at 12:02 PM MST


    MATL OASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices make a cleanup edit in Section 10.4 and add Section 10.7 on approval of after-the-fact e-tags for reserve sharing events.

    Posted Date and Time: 03/01/2017 at 11:50 AM MST


    MATL UPDATE

    MATL’s prompt month product is discounted for a four-month period, March 2017 –June 2017. Explore confidential floor pricing and product availability in the Auction Module.

    Posted Date and Time: 01/25/2017 at 3:47 PM MST


    MATL – Radial Connection

    MATL will be radially connected to the NWMT system from March 17th at 07:30 to March 19th at 17:30 continuously to accommodate maintenance on the BC-AB tie line.

    Posted Date and Time: 01/20/2017 at 3:39 PM MST


    MATL – Series Capacitor Update

    MATL’s series capacitors at Hay Lake and Marias are now back in service. MATL’s northbound scheduling transfer limit at the CAN/US border is 310MW and the southbound scheduling transfer limit at the CAN/US border is now 315MW. These new limits are effective immediately.

    Posted Date and Time: 01/18/2017 at 01:08 PM MST


    MATL Outage

    MATL is back to normal operation.

    Posted Date and Time: 01/18/2017 at 09:23 AM MST


    MATL Outage

    MATL line has tripped and is in process of restoring. Notice will be posted when the line is back.

    Posted Date and Time: 01/18/2017 at 8:03 AM MST


    MATL Update

    MATL Returned to normal operation.

    Posted Date and Time: 01/16/2017 at 6:00 PM MST


    MATL Update For Southbound Schedules

    At 3 pm MPT the Reliability Coordinator instituted a mandatory limit of southbound schedules to a maximum of 180 MW. This limit is to remain in place until released by the RC.

    Posted Date and Time: 01/16/2017 at 03:38 PM MST


    MATL outage update

    MATL has returned to normal operation.

    Posted Date and Time: 01/15/2017 at 08:53PM MST


    MATL outage update

    MATL line is still in radial connection. Further updates will be posted.

    Posted Date and Time: 01/15/2017 at 07:50PM MST


    MATL OASIS UPDATE

    MATL will be returning to Normal Operations very shortly.

    Posted Date and Time: 12/29/2016 at 02:06PM MST


    MATL OASIS POSTING

    MATL will be out of service on Dec 29th from 07:00 AM to 16:00 PM MT.

    Posted Date and Time: 12/28/2016 at 03:02PM MST


    MATL Radial Connection Update

    The MATL radial connection has been rescheduled to Jan 13 – Jan 15, 2017 starting from 07:30 to 17:30 MT to accommodate a BC-AB tie line outage.

    Posted Date and Time: 12/14/2016 at 07:05 AM MPT


    MATL Radial Connection Update

    MATL will be in radial connection on Jan 10 to Jan 12, 2017 starting from 07:30 to 18:30 MT, to accommodate a BC-AB tie line outage. MATL will offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW,$2/MW and $48/MW respectively. Regular scheduled auctions during